Extrinsic 22484-1

{
  "heartbeat": {
    "blockNumber": 22482,
    "sessionIndex": 374,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xd81dfab9d3c9bfdfd030ac7bc97e5172df57d20450ec56d6d5cea02a79e85b435826d23e6e44a777ed4b4f7a30780fdb45d5aebd114f4017a2149f490cfd3d82"
}